Camera FOV

A common question is what type of resolution a camera will achieve when being flown and whether the resolution is sufficient. Without more information about the camera resolution, lens, height of the camera and desired use for the information, the question can't be answered. For instance, we have some customers that want enough resolution to detect small insects on a leaf while others are more concerned about estimating biomass in a field or identifying areas that need more fertilizer.

With the small point and shoot cameras, the lens assembly is a zoom type where the user can choose wether the camera is shooting wide angle or wants to zoom in to a particular area. Usually, the cameras are flown at wide angle so that the cameras can be flown close to the ground.

Listed below are some pixel spacing calculations for some common cameras.

Camera

ELPH 300

ELPH 110

Canon SX260

Lens Equiv

24-120mm

24-120mm

25-500mm

effective Megapixels

12,100,000.00

16,100,000.00

12,100,000.00

Sensor

1/2.3 inch

Horizontal Pixels

4,000.00

4,608.00

Vertical Pixels

3,000.00

3,456.00

Wide FOV Horiz Degrees

73.70

73.70

71.50

Wide FOV Vert Degrees

53.10

53.10

51.30

Wide FOV Diag Degrees

84.10

84.10

81.70

1000m FOV Horiz Meters

1,500.00

1,500.00

1,440.00

1000m FOV Vert Meters

1,000.00

1,000.00

960.00

Area Meters

1,500,000.00

1,500,000.00

1,382,400.00

Pixels per Meter^2

8.07

10.73

8.75

100m FOV Horiz Meters

150.00

150.00

144.00

100m FOV Vert Meters

100.00

100.00

96.00

Area Meters

15,000.00

15,000.00

13,824.00

Pixels per Meter^2

806.67

1,073.33

875.29

Pixels per Cent^2

0.08

0.11

0.09

10m FOV Horiz Meters

15.00

15.00

14.40

10m FOV Vert Meters

10.00

10.00

9.60

Area Meters

150.00

150.00

138.24

Pixels per Meter^2

80,666.67

107,333.33

87,528.94

Pixels per Cent^2

8.07

10.73

8.75

50m FOV Horiz Meters

75.00

75.00

72.00

50m FOV Vert Meters

50.00

50.00

48.00

Area Meters

3,750.00

3,750.00

3,456.00

Pixels per Meter^2

3,226.67

4,293.33

3,501.16

Pixels per Cent^2

0.32

0.43

0.35

25m FOV Horiz Meters

37.50

37.50

36.00

25m FOV Vert Meters

25.00

25.00

24.00

Area Meters

937.50

937.50

864.00

Pixels per Meter^2

12,906.67

17,173.33

14,004.63

Pixels per Cent^2

1.29

1.72

1.40

30m FOV Horiz Meters

45.00

45.00

43.20

30m FOV Vert Meters

30.00

30.00

28.80

Area Meters

1,350.00

1,350.00

1,244.16

Pixels per Meter^2

8,962.96

11,925.93

9,725.44

Pixels per Cent^2

0.90

1.19

0.97

28m FOV Horiz Meters

41.00

41.00

40.32

28m FOV Vert Meters

28.00

28.00

26.88

Area Meters

1,148.00

1,148.00

1,083.80

Pixels per Meter^2

10,540.07

14,024.39

11,164.40

Pixels per Cent^2

1.05

1.40

1.12

32m FOV Horiz Meters

46.50

47.00

46.80

32m FOV Vert Meters

31.00

32.00

30.72

Area Meters

1,441.50

1,504.00

1,437.70

Pixels per Meter^2

8,394.03

10,704.79

8,416.24

Pixels per Cent^2

0.84

1.07

0.84

32 meters = 105 feet

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